Mineral wool production · West Virginia

Armstrong World Industries, Millwood

Millwood, WV · ~64 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Armstrong World Industries, Millwood runs at 35% of its industry's injury rate - far safer than the typical Mineral wool production workplace, earning a grade A.

Armstrong World Industries, Millwood: 1.1 TCR = 35% of Mineral wool production BLS 3.3 · 4y Form 300A (see methodology below)

Armstrong World Industries, Millwood safety composite

Armstrong World Industries, Millwood scores strongest on total case rate (tcr) (safer than 74% of same-industry peers) and weakest on dart rate (safer than 36%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.15 per 100 workers

Safer than 74% of industry peers

DART rate
D 1.48 per 100 workers

Safer than 36% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Armstrong World Industries, Millwood held a steady TCR band

Armstrong World Industries, Millwood's TCR held near 0.1 from 1.6 in 2021 to 1.5 in 2024. Peak filing year was 2021 at 1.6 TCR. In 2024, DART was 1.29× this establishment's average TCR (severity share of cases).

2021=1.6 · 2022=1.5 · 2023=0.0 · 2024=1.5

OSHA ITA Form 300A scorecard

Establishment book 327993 · Millwood, WV AT/BELOW-IND · SMALL

Grade A · TCR 1.1 · 35% of ind

  • DART 1.5 DART
  • RANK #1/4
  • PHOTO Knauf Insulation Pla…
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~64 FTE

Nearest TCR peer: Knauf Insulation Plant 11 (0.0 TCR gap)

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Armstrong World Industries, Millwood in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Armstrong World Industries, Millwood averages 1.1 TCR (35% of the Mineral wool production BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Armstrong World Industries, Millwood TCR series: 2021=1.6 · 2022=1.5 · 2023=0 · 2024=1.5 · BLS 3.3

Where Armstrong World Industries, Millwood falls in its industry

101 Mineral wool production establishments

Safer than 74% of graded establishments in this industry, whose median TCR is 2.2.

More dangerous than peersSafer than peers

Narrower to West Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 4 Mineral wool production employers in West Virginia.

Armstrong World Industries, Millwood (64 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 126 employees and a TCR of 2.2 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0200400600800 0246810 Average employees Total Case Rate Armstrong World Industries, Millwood
Armstrong World Industries, Millwood (64 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 126 employees and a TCR of 2.2

Armstrong World Industries, Millwood has fewer employees than the Mineral wool production median and a lower injury rate than the industry's median TCR of 2.2. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 1.5 1.5 1 0 0
2023 0.0 0.0 0 0 0
2022 1.5 0.0 1 0 0
2021 1.6 1.6 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327993 · WV · Millwood

101 Mineral wool production employers nationwide with a credible TCR · 2,269 rated employers in West Virginia with headcount on file · 10 employers in Millwood, WV · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Knauf Insulation Plant 11 1.1 TCR
NAICS-TCR Quietflex Manufacturing Company. L.P. 1.1 TCR
NAICS-TCR Quietflex Manufacturing Company, L.P.- Groveland Florida 1.2 TCR
NAICS-TCR Owens Corning Mount Vernon 1.1 TCR
STATE-SIZE Clarksburg 64 FTE
STATE-SIZE Beckley Water Company 64 FTE
STATE-SIZE Construction 64 FTE
STATE-SIZE Union Carbide Corp Institute 64 FTE
CITY-NEAR STAR Plastics, LLC MWD 149 FTE
CITY-NEAR TEAM Environmental, LLC 137 FTE
CITY-NEAR Seneca Medical LLC - Millwood 89 FTE
CITY-NEAR DCC : 5195-00 Constellium-DCC/Ravenswood, WV 75 FTE
NAT-TCR MPW Environmental Services, Inc. - Cardinal Operating Company 1.1 TCR
NAT-TCR Green Bay Packaging - Wisconsin Packaging Division 1.1 TCR
NAT-TCR Ripple Ranch 1.1 TCR
NAT-TCR Classic Aviation 1.1 TCR
NAT-SIZE Stldc-B5510-Afh- St Louis Dc 64 FTE
NAT-SIZE Lubbdc-B5510-Afh- Lubbock Dc 64 FTE
NAT-SIZE Ingersoll 64 FTE
NAT-SIZE Morris Houses 64 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.